Explore BrainMass

Explore BrainMass

    Hypothesis testing two samples

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    The management of Discount Furniture, a chain of discount furniture stores in the Northeast, designed an incentive plan for salespeople. To evaluate this innovative plan, 12 salespeople were selected at random, and their weekly incomes before and after the plan were
    recorded.

    Salesperson Before After
    Sid Mahone $320 $340
    Carol Quick 290 285
    Tom Jackson 421 475
    Andy Jones 510 510
    Jean Sloan 210 210
    Jack Walker 402 500
    Peg Mancuso 625 631
    Anita Loma 560 560
    John Cuso 360 365
    Carl Utz 431 431
    A. S. Kushner 506 525
    Fern Lawton 505 619

    Was there a significant increase in the typical salesperson's weekly income due to the innovative incentive plan? Use the .05 significance level. Estimate the p-value, and interpret it.

    © BrainMass Inc. brainmass.com June 3, 2020, 8:04 pm ad1c9bdddf
    https://brainmass.com/statistics/hypothesis-testing/hypothesis-testing-two-samples-122217

    Solution Preview

    We first compute the difference of income by after-before

    Salesperson Before After difference d
    Sid Mahone $320 $340 20
    Carol Quick 290 285 -5
    Tom Jackson 421 475 54
    Andy Jones 510 510 0
    Jean Sloan 210 ...

    Solution Summary

    Hypothesis testing of two samples is discussed.

    $2.19

    ADVERTISEMENT